Mix-n-StainTM CF® Dye Nanobody Thiol Labeling Kits are optimized for labeling nanobodies with bright and photostable CF® dyes in 2 hours with no purification. Kits tolerate common stabilizers. Red fluorescent CF®583R has Ex/Em at 585/609 nm. One labeling of 5-20 ug Nanobody Thiol per kit.